NK Osijek (Supersport Hnl): every transfer in and out, fees paid and earned, squad market value, €12m spent and €51m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-06 | Filip Zivkovic | NK Osijek | Sarajevo | Loan |
| 2026-02-02 | Styopa Mkrtchyan | NK Osijek | 1.FC Nuremberg | €800k |
| 2026-01-16 | Hrvoje Babec | NK Osijek | FC Seoul | — |
| 2026-01-15 | Borna Barisic | Without Club | NK Osijek | — |
| 2026-01-14 | David Mejía | NK Vukovar 1991 | NK Osijek | — |
| 2026-01-12 | Fran Karacic | Hajduk Split | NK Osijek | Loan |
| 2026-01-10 | Vladan Bubanja | Orenburg | NK Osijek | Loan |
| 2026-01-10 | Tonio Teklic | Widzew Lodz | NK Osijek | Loan |
| 2026-01-10 | Samuel Akere | Widzew Lodz | NK Osijek | Loan |
| 2025-09-01 | Justice Ohajunwa | NK Osijek | Milsami | Loan |
| 2025-08-27 | Milos Jovicic | FK TSC | NK Osijek | — |
| 2025-07-26 | Oleksandr Petrusenko | Antalyaspor | NK Osijek | Free |
| 2025-07-26 | David Colina | Augsburg | NK Osijek | Loan |
| 2025-07-14 | Hrvoje Babec | Riga | NK Osijek | €300k |
| 2025-07-08 | Nikola Curcija | NK Jarun | NK Osijek | — |
| 2025-07-07 | Tiago Dantas | NK Osijek | HNK Rijeka | Free |
| 2025-07-01 | Yannick Toure | FC Aarau | NK Osijek | — |
| 2025-07-01 | Stanislav Shopov | CSKA Sofia | NK Osijek | Free |
| 2025-07-01 | Niko Farkas | NK Osijek U19 | NK Osijek | — |
| 2025-07-01 | Marko Soldo | NK Osijek | Dinamo Zagreb | €1m |